Doctor profile · Federal record

Dr. Penny Larson, M.D.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Obstetrics & Gynecology Physician · Obstetrics & Gynecology Physician · Addiction Medicine (Preventive Medicine) Physician · Rancho Cordova, CA

  • NPI 1528057213
  • Accepts Medicare
  • 28 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12646 Thornberg Way
Rancho Cordova, CA 957427839
(916) 238-6070
fax (916) 238-6070
Mailing address
1756 Magenta Dr
Roseville, CA 957474915

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
June 15, 2023
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207V00000X — NUCC code
State licenses (3)
California #A93985 · Indiana #01051820A · Georgia #55075

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528057213. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$103
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals INC. 2 $36.28
Organon LLC 1 $29.05
Pfizer INC. 1 $18.83
Agile Therapeutics, INC. 1 $18.48

By nature of payment

Food and Beverage
$103

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
131
Patients
0
Total drug cost
$16,886
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 38 0 $1,636
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 22 0 $8,676
Buprenorphine Hcl Generic 17 0 $1,843
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 17 0 $370
Aripiprazole Generic 14 0 $3,244
Doxycycline Monohydrate Generic 12 0 $625
Buspirone Hcl Generic 11 0 $491

Frequently asked questions

Auto-generated from federal data
What is Dr. Penny Larson's medical specialty?
Dr. Penny Larson practices Obstetrics & Gynecology Physician in Rancho Cordova, CA.
Where does Dr. Penny Larson practice?
Dr. Penny Larson practices at 12646 Thornberg Way, Rancho Cordova, CA 957427839. Office phone: 9162386070.
What is Dr. Penny Larson's NPI?
Dr. Penny Larson's National Provider Identifier (NPI) is 1528057213, issued by NPPES.
Does Dr. Penny Larson accept Medicare assignment?
Yes. Dr. Penny Larson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.